style-theme-editor.css

body#tinymce.wp-editor blockquote:before,
body#tinymce.wp-editor blockquote:after,
body#tinymce.wp-editor q:before,
body#tinymce.wp-editor q:after {
	content: "";
}

body#tinymce.wp-editor blockquote,
body#tinymce.wp-editor q {
	quotes: "" "";
}

body#tinymce.wp-editor hr {
    background-color: #ccc;
    border: 0;
    height: 1px;
    margin-bottom: 1.5em;
}

body#tinymce.wp-editor ul,
body#tinymce.wp-editor ol {
    margin: 0 0 20px 25px;
    padding: 5px 0 10px;
}

body#tinymce.wp-editor ul {
    list-style: disc;
}

body#tinymce.wp-editor ol {
    list-style: decimal;
}

body#tinymce.wp-editor li > ul,
body#tinymce.wp-editor li > ol {
    margin-bottom: 0;
}

body#tinymce.wp-editor dt {
    font-weight: bold;
}

body#tinymce.wp-editor dd {
    margin: 0 1.5em 1.5em;
}

body#tinymce.wp-editor figure {
    margin: 0;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
}

body#tinymce.wp-editor table {
    margin: 0 0 1.5em;
    width: 100%;
}

body#tinymce.wp-editor th {
    font-weight: bold;
}

body#tinymce.wp-editor h1, h2, h3, h4, h5, h6, h1 a, h2 a, h3 a, h4 a, h5 a, h6 a {
    font-weight: 300;
    line-height: 1.0em;
    word-wrap: break-word;
    color: #000;
    margin-top: 0;
}

body#tinymce.wp-editor h1 {
    font-size: 32px;
    margin-bottom: .55em;
}

body#tinymce.wp-editor h2 {
    font-size: 28px;
    margin-bottom: .65em;
}

body#tinymce.wp-editor h3 {
    font-size: 22px;
    margin-bottom: .8em;
}

body#tinymce.wp-editor h4 {
    font-size: 20px;
    margin-bottom: 1.1em;
}

body#tinymce.wp-editor h5 {
    font-size: 16px;
    margin-bottom: 1.3em;
}

body#tinymce.wp-editor h6 {
    font-size: 14px;
    margin-bottom: 1.4em;
}

body#tinymce.wp-editor .entry-content code {
    display: block;
    background: #f7f7f7;
    border: 1px solid #D8D8D8;
    padding: 10px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.09);
    margin: 5px 0;
    overflow-x: auto;
}